Long and Short Term Changes

Long and Short Term Changes

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Multiple Choice

Natural Disasters such as, earthquakes, flooding, and volcanic eruptions can cause ...

• short term changes

• long term changes

Multiple Select

Short Term impacts...(select all that apply)

• Occurs quickly

• Affects organisms over time

• Behavior of organism changes

• Last five years or less

Multiple Choice

Finches are birds that come in many different varieties and fill many different niches within an ecosystem. The beak of a finch is specialized to complement its niche. The ground finch lives on a tropical island and uses its beak to gather and crack open nuts. Over time, as the climate of the island changes, trees start producing nuts that have thicker, harder shells. As this change occurs in the nuts, which change in the finches may be observed in future generations?

• An increase in body size

• An increase in the variety of nuts eaten by the finch

• Increasing beak size and strength

• A decrease in wing size and shape

Multiple Choice

An illustration of a water lily is provided. If annual rainfall increased and caused ponds in this habitat to become deeper, how, after many generations, might the traits of these water lilies change?

• Brighter flowers

• Longer stems

• Wider leaves

• Wider leaves

Multiple Choice

What kind of environmental change is shown in the picture above?

• Short term

• Long term

Adaptations-A change in structure, function, or behavior by which a species or individual improves its chance of survival in a specific environment.

Adaptations allow an organism to better survive in its environment.

Multiple Choice

Standing water and flooding.

• Short term impact
• Long term impact

Multiple Choice

Changes to landscape due to erosion.

• Short term impact
• Long term impact

Multiple Choice

Forests wiped out by a wildfire.

• Short term impact

• Long term impact

Multiple Choice

How do short term environmental changes affect ecosystems?

• they generally affect populations over time

• they generally affect organisms quickly

• they generally don't have any effect

• they kill all the organisms

Multiple Choice

How do long term environmental changes affect ecosystems?

• they generally affect populations over time

• they generally affect organisms quickly

• they generally don't have any effect

• they kill all the organisms

Multiple Choice

What is an adaptation?

• A feature or behavior that helps an animal survive.
• The food that an animal eats.
• How energy moves in a food web.
• How animals evolve throughout time.